Karthikeyan Kanagarajan, M.D.
NPI 1497704936 · Sleep Medicine (Internal Medicine) Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karthikeyan Kanagarajan, M.D. is a Sleep Medicine (Internal Medicine) Physician provider in Cincinnati, OH (NPI 1497704936).
Provider details
- NPI number
- 1497704936
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.087409 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
861 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 225 | $105 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 180 | $116 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 166 | $115 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 129 | $85 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 55 | $154 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 107 | 42 |
| Fluticasone Propionate | 47 | 38 |
| Zolpidem Tartrate | 40 | 34 |
| Doxepin Hcl | 36 | 20 |
| Amitriptyline Hcl | 34 | 17 |
| Ropinirole Hcl | 29 | 12 |
| Trazodone Hcl | 28 | 15 |
| Clonazepam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$836 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2021-08-06
- Certified
- 2021-08-06
Frequently asked questions
- What is Karthikeyan Kanagarajan's NPI number?
- Karthikeyan Kanagarajan's National Provider Identifier (NPI) is 1497704936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karthikeyan Kanagarajan's specialty?
- Karthikeyan Kanagarajan is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Karthikeyan Kanagarajan located?
- Karthikeyan Kanagarajan's practice location on file with NPPES is 2123 Auburn Ave Ste 440, Cincinnati, OH 45219-2906.
- What is Karthikeyan Kanagarajan's phone number?
- The practice phone number listed in the NPPES registry for Karthikeyan Kanagarajan is (513) 648-8980.
- Does Karthikeyan Kanagarajan accept Medicare?
- Karthikeyan Kanagarajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karthikeyan Kanagarajan's NPI active?
- Yes — Karthikeyan Kanagarajan's NPI (1497704936) is active in the NPPES registry as of the last update on 2021-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.